Home / 139,969,190.80-209,879,136.60-59,098,790.80

Finding the Fourth Proportional to 139,969,190.80, 209,879,136.60 and 59,098,790.80

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Solution

The fourth proportional to 139,969,190.80, 209,879,136.60 and 59,098,790.80 is: 88,616,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,190.80 : 209,879,136.60 = 59,098,790.80 : x
  2. Step 2: Convert to fraction form
    139,969,190.80/209,879,136.60 = 59,098,790.80/x
  3. Step 3: Cross multiply
    139,969,190.80x = 209,879,136.60 × 59,098,790.80
  4. Step 4: Simplify right side
    139,969,190.80x = 12,403,603,187,208,022
  5. Step 5: Solve for x
    x = 12,403,603,187,208,022/139,969,190.80
  6. Step 6: Final answer
    x = 88,616,667.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.